Home / 1,471,857.20-2,208,642.40-618,867.06

Finding the Fourth Proportional to 1,471,857.20, 2,208,642.40 and 618,867.06

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Solution

The fourth proportional to 1,471,857.20, 2,208,642.40 and 618,867.06 is: 928,660.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471,857.20 : 2,208,642.40 = 618,867.06 : x
  2. Step 2: Convert to fraction form
    1,471,857.20/2,208,642.40 = 618,867.06/x
  3. Step 3: Cross multiply
    1,471,857.20x = 2,208,642.40 × 618,867.06
  4. Step 4: Simplify right side
    1,471,857.20x = 1,366,856,028,679.34
  5. Step 5: Solve for x
    x = 1,366,856,028,679.34/1,471,857.20
  6. Step 6: Final answer
    x = 928,660.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.